Fernando Alonso remains the most complete driver in Formula One and should stay in the sport for the foreseeable future, according to Emerson Fittipaldi.
Alonso won the drivers' championship in 2005 and 2006 during his time at Renault, before finishing as a runner-up three times with Ferrari.
The Spaniard's returned to McLaren in 2015 has proved fruitless, with disappointing finishes of 17th and 10th at the struggling constructor.
There had been hopes that new regulations in F1 would level the playing field for the coming season, but McLaren endured more problems in pre-season and it is thought Alonso will contemplate his future with the team if he endures another campaign of struggle.
Last year, there were even rumblings that he may retire, but Fittipaldi - also a two-time world champion - expects Alonso, considered by many as one of the most gifted drivers of his generation, to continue enjoying success.
"To me, still today, Fernando Alonso is the most complete driver that's out there racing," Fittipaldi, speaking courtesy of Laureus, told Omnisport.
"He's incredible for testing and he's incredible as a racer. You know the famous phrase, when the flag drops the bulls**t stops. He's always there running very strong but sometimes the equipment is not there.
"He's a world champion and is extremely talented and very intelligent. He's going to leave a lot of legacy.
"I hope he doesn't stop. He has the physical ability to continue for many years, as long as he has the passion then he can continue for many years."
The dominance of F1 by Mercedes has gone unchallenged for the past three seasons, but Fittipaldi - a former McLaren driver - claimed the chasing pack can come back strong.
"Looking at the history of motor racing, the cycle and success of a team always happens," he added.
"Sometimes a team can be three, four or five years competing and winning.
"[But] McLaren can come back very strong, Ferrari can come back very strong, Williams can come back very strong. They've already won many world championships."
|Goncharenko delighted for clean sheet star Akinfeev|
|I hope Barcelona rest Messi – Jesus|
|Broncos name Lynch starting QB for Raiders game|
|Thiago suffered a serious injury, says Heynckes|
|Valverde explains decision to bench Messi|
|Coleman the latest to join Rebels revolution|
|LeBron: Defensive consistency key to Cavs winning streak|
|Bills revert to Tyrod Taylor as starting QB after Nathan Peterman disaster|
|Absent Stokes wishes England well|
|Iniesta hails ´splendid´ Ter Stegen as Barcelona seal last-16 spot|
|Griezmann shrugs off goalless streak after wonderstrike keeps Atletico´s hopes alive|
|We should have been 5-0 up – Mourinho unimpressed with wasteful United|
|Toure reveals Guardiola anger with City´s Feyenoord display|
|Warriors star Durant says he will play against Thunder|
|Paris Saint-Germain set Champions League scoring record in Celtic rout|
|Sporting CP 3 Olympiacos 1: Dost on target as hosts stay in contention|
|Bielsa suspended by struggling Lille|
|Anderlecht 1 Bayern Munich 2: Lewandowski and Tolisso give visitors win|
|Atletico Madrid 2 Roma 0: Griezmann returns to form with wondergoal|
|Basel 1 Manchester United 0: Late Lang goal leaves Mourinho´s men with work to do|
|Paris Saint-Germain 7 Celtic 1: Cavani and Neymar score braces in sparkling win|
|Juventus 0 Barcelona 0: Messi benched but Valverde´s men in last 16|
|Bennett backs New Zealand to recover from World Cup exit|
|No Samoa donation from England squad - Borthwick|
|Conte pleased to take pressure off Atletico clash|
|Success in Europe will help Milan´s league form, Montella claims|
|Bauza sacked by Saudi Arabia|
|Browns´ Josh Gordon returns to practice|
|Azarenka confirms place at ASB Classic|
|Willian: For me, it was a penalty|
|Akinfeev keeps first Champions League clean sheet since November 2006|
|Messi rested by Barcelona side for Juventus clash|
|CSKA Moscow 2 Benfica 0: Goncharenko´s men boost progression hopes|
|Qarabag 0 Chelsea 4: Hazard, Willian lead Blues into last 16|
|Wood not giving up hope of Ashes role|
|If he´s fit, he will go – Wenger backs Welbeck for World Cup call|
|Gatland delighted by North´s return|
|Pressure the key to beating All Blacks, says Gregan|
|FIA president Todt to run unchallenged for re-election|
|Niasse banned over diving charge after FA rejects Everton appeal|
|Sri Lanka want Tigers head coach Hathurusingha|
|F1 Raceweek: Hamilton hunting more records - Abu Dhabi GP in numbers|
|North to leave Saints and return to Wales|
|Real Madrid´s Carvajal faces UEFA investigation over APOEL booking|
|Dimitrov never lost belief in own ability|
|Everton fined €30,000 over fan trouble against Lyon|
|No change in Everton manager hunt, says Unsworth|
|Chiellini to miss Barcelona match with thigh injury|
|McIlroy to make return in Abu Dhabi|
|Maitland among four Scotland changes for Wallabies clash|
|Former Everton and Nigeria striker Yakubu retires|
|Robinson talks up England World Cup chances|
|The Ashes: Series predictions vary wildly ahead of first Test|
|Liverpool looking into claims of Seville police assault against fans|
|Smith surprised by Australia selections - Cowan|
|Toure hails Foden as the ´future´ of Manchester City|
|Record Ronaldo nomination as Real Madrid dominate UEFA Team of the Year candidates|
|Williams call on Kubica for Abu Dhabi testing|
|Heynckes stay is ´best solution´ for Bayern, says Robben|
|Racing allow O´Gara to join Crusaders|
|Courtois parks Chelsea contract talks|
|Parker team make ´final offer´ for Joshua fight|
|Wigan´s two-goal Colclough makes mad dash to witness birth of son...in full kit!|
|Sevilla boss Berizzo diagnosed with prostate cancer|
|Hollioake urges England to grind down ´fragile´ Australia quicks|
|Manchester United move still a possibility for Atletico star Griezmann|
|Carragher slams Liverpool for playing ´like children´ in Sevilla collapse|
|Replacing you might not be a great idea! – Buffon grateful for Rakitic tribute|
|Messi closes on century but Pogba must do more – Champions League in Opta numbers|
|Memorable Ashes Moments: Oh my Broad! Stuart stuns Australia with 8-15|